a55b7a70b54b9f7c15f0c34c0eddfe981abd9e1b0e82318ef51b4cffda9674b2

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 22:27

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General

Target

a55b7a70b54b9f7c15f0c34c0eddfe981abd9e1b0e82318ef51b4cffda9674b2.pdf
Size

215KB
MD5

3a55dd4dfb390323b28ba340468e93ca
SHA1

5caf8557625ec5cc0b77321d3d61561296e9ae38
SHA256

a55b7a70b54b9f7c15f0c34c0eddfe981abd9e1b0e82318ef51b4cffda9674b2
SHA512

242193c82065d191103548bad29ae520a7d3a2622e3828330d723f0b7b4180ea91c94f944e872962c5d619a8b2d5d7d5bc20bec16d9897b7648c056259bdd017
SSDEEP

6144:UT1kkgR0ElFjUl/Kc98F9E3tDzl10KdmP8I0VAfMvez1R:axdGUltT9DzlbmEIv

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1048	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2380	1048	AcroRd32.exe	92
PID 1048 wrote to memory of 2380	1048	AcroRd32.exe	92
PID 1048 wrote to memory of 2380	1048	AcroRd32.exe	92
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 2416	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94
PID 2380 wrote to memory of 4596	2380	RdrCEF.exe	94

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\a55b7a70b54b9f7c15f0c34c0eddfe981abd9e1b0e82318ef51b4cffda9674b2.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=613E9C53DBF0FA442DE0A7D960419CC9 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2416
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=CAFC49557872B12DAAEF38D7D7829130 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=CAFC49557872B12DAAEF38D7D7829130 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4596
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=1C8C0C12AA2A10A5969C08F76C15637B --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1124
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=8BE5C3F33FAE63A363C09EF6EB442DD2 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4304
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D8453F58466E6D9B13F455B02ADE0D56 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=D8453F58466E6D9B13F455B02ADE0D56 --renderer-client-id=6 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3616
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=1D4281C343BAA890972011F2CE14AF65 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5076

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
16593ecc0040ed8828e719a6b008b1fb

SHA1
46f111959e09e85cac0a35bf4c83c24b7de88ed3

SHA256
97fc330fc77ba7ebcbdeb975cfad55598b8a193a46b0ddbd630e644f22c46e8e

SHA512
49c1336691023de227a5afc5172ddf825de78921a6592a84a3d812cabac63974d32695fcbbc8fce1fa291fffa4d1cb8b350f228d53827ed3863ed440e4f45299

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/1048-26-0x000000000B120000-0x000000000B141000-memory.dmp

Filesize
132KB

Download
memory/1048-134-0x000000000C2D0000-0x000000000C57B000-memory.dmp

Filesize
2.7MB

Download